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SO1602A/SO1602A.cpp@0:cb29cf2767cd, 2019-11-07 (annotated)
- Committer:
- M_souta
- Date:
- Thu Nov 07 11:07:51 2019 +0000
- Revision:
- 0:cb29cf2767cd
ver2.0.0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
M_souta | 0:cb29cf2767cd | 1 | #include "SO1602A.h" |
M_souta | 0:cb29cf2767cd | 2 | |
M_souta | 0:cb29cf2767cd | 3 | SO1602A::SO1602A (PinName sda, PinName scl, char address) |
M_souta | 0:cb29cf2767cd | 4 | : p_i2c(new I2C(sda, scl)), i2c(*p_i2c), addr(address) |
M_souta | 0:cb29cf2767cd | 5 | { |
M_souta | 0:cb29cf2767cd | 6 | init(); |
M_souta | 0:cb29cf2767cd | 7 | } |
M_souta | 0:cb29cf2767cd | 8 | SO1602A::SO1602A (I2C &_i2c, char address) |
M_souta | 0:cb29cf2767cd | 9 | : p_i2c(NULL), i2c(_i2c), addr(address) |
M_souta | 0:cb29cf2767cd | 10 | { |
M_souta | 0:cb29cf2767cd | 11 | init(); |
M_souta | 0:cb29cf2767cd | 12 | } |
M_souta | 0:cb29cf2767cd | 13 | SO1602A::~SO1602A() |
M_souta | 0:cb29cf2767cd | 14 | { |
M_souta | 0:cb29cf2767cd | 15 | if(p_i2c != NULL) |
M_souta | 0:cb29cf2767cd | 16 | delete p_i2c; |
M_souta | 0:cb29cf2767cd | 17 | } |
M_souta | 0:cb29cf2767cd | 18 | |
M_souta | 0:cb29cf2767cd | 19 | bool SO1602A::cmd(char chr) |
M_souta | 0:cb29cf2767cd | 20 | { |
M_souta | 0:cb29cf2767cd | 21 | buf[0]= 0x00; |
M_souta | 0:cb29cf2767cd | 22 | buf[1]= chr; |
M_souta | 0:cb29cf2767cd | 23 | // if write success:0, other: err code. |
M_souta | 0:cb29cf2767cd | 24 | int status= i2c.write(addr, buf, 2); |
M_souta | 0:cb29cf2767cd | 25 | wait_ms(3); |
M_souta | 0:cb29cf2767cd | 26 | |
M_souta | 0:cb29cf2767cd | 27 | if(status == 0) |
M_souta | 0:cb29cf2767cd | 28 | return true; |
M_souta | 0:cb29cf2767cd | 29 | else |
M_souta | 0:cb29cf2767cd | 30 | return false; |
M_souta | 0:cb29cf2767cd | 31 | } |
M_souta | 0:cb29cf2767cd | 32 | |
M_souta | 0:cb29cf2767cd | 33 | int SO1602A::_putc(int val) // for printf() |
M_souta | 0:cb29cf2767cd | 34 | { |
M_souta | 0:cb29cf2767cd | 35 | if (val == '\n') { |
M_souta | 0:cb29cf2767cd | 36 | col = 0; |
M_souta | 0:cb29cf2767cd | 37 | row = (row + 1) % 2; |
M_souta | 0:cb29cf2767cd | 38 | } else { |
M_souta | 0:cb29cf2767cd | 39 | locate(col, row); |
M_souta | 0:cb29cf2767cd | 40 | buf[0]= 0x40; |
M_souta | 0:cb29cf2767cd | 41 | buf[1]= val; |
M_souta | 0:cb29cf2767cd | 42 | i2c.write(addr, buf, 2); |
M_souta | 0:cb29cf2767cd | 43 | |
M_souta | 0:cb29cf2767cd | 44 | col++; |
M_souta | 0:cb29cf2767cd | 45 | if (col >= 16) { |
M_souta | 0:cb29cf2767cd | 46 | col = 0; |
M_souta | 0:cb29cf2767cd | 47 | row = (row + 1) % 2; |
M_souta | 0:cb29cf2767cd | 48 | } |
M_souta | 0:cb29cf2767cd | 49 | } |
M_souta | 0:cb29cf2767cd | 50 | wait_ms(1); |
M_souta | 0:cb29cf2767cd | 51 | return val; |
M_souta | 0:cb29cf2767cd | 52 | } |
M_souta | 0:cb29cf2767cd | 53 | |
M_souta | 0:cb29cf2767cd | 54 | // for "Stream" |
M_souta | 0:cb29cf2767cd | 55 | int SO1602A::_getc() |
M_souta | 0:cb29cf2767cd | 56 | { |
M_souta | 0:cb29cf2767cd | 57 | return -1; |
M_souta | 0:cb29cf2767cd | 58 | } |
M_souta | 0:cb29cf2767cd | 59 | |
M_souta | 0:cb29cf2767cd | 60 | void SO1602A::locate(int _col, int _row) |
M_souta | 0:cb29cf2767cd | 61 | { |
M_souta | 0:cb29cf2767cd | 62 | col= _col; |
M_souta | 0:cb29cf2767cd | 63 | row= _row; |
M_souta | 0:cb29cf2767cd | 64 | cmd(0x80 + row * 0x20 + col); |
M_souta | 0:cb29cf2767cd | 65 | return; |
M_souta | 0:cb29cf2767cd | 66 | } |
M_souta | 0:cb29cf2767cd | 67 | |
M_souta | 0:cb29cf2767cd | 68 | void SO1602A::init() |
M_souta | 0:cb29cf2767cd | 69 | { |
M_souta | 0:cb29cf2767cd | 70 | col= row= 0; |
M_souta | 0:cb29cf2767cd | 71 | buf[0]= 0x00; |
M_souta | 0:cb29cf2767cd | 72 | buf[1]= 0x00; |
M_souta | 0:cb29cf2767cd | 73 | buf[2]= 0x00; |
M_souta | 0:cb29cf2767cd | 74 | |
M_souta | 0:cb29cf2767cd | 75 | wait_ms(10); |
M_souta | 0:cb29cf2767cd | 76 | this->clear(); |
M_souta | 0:cb29cf2767cd | 77 | this->cmd(0x02); //Return Home. |
M_souta | 0:cb29cf2767cd | 78 | this->setDispFlag(true, true, true); |
M_souta | 0:cb29cf2767cd | 79 | |
M_souta | 0:cb29cf2767cd | 80 | return; |
M_souta | 0:cb29cf2767cd | 81 | } |
M_souta | 0:cb29cf2767cd | 82 | |
M_souta | 0:cb29cf2767cd | 83 | void SO1602A::setContrast(char val) |
M_souta | 0:cb29cf2767cd | 84 | { |
M_souta | 0:cb29cf2767cd | 85 | // Cmd of Contrast-setting must be setted Ext-Func-Register RE & SD. |
M_souta | 0:cb29cf2767cd | 86 | this->setRE(); |
M_souta | 0:cb29cf2767cd | 87 | this->setSD(); |
M_souta | 0:cb29cf2767cd | 88 | // Double Byte Command. The contrast has 256 steps, and increase as the value. |
M_souta | 0:cb29cf2767cd | 89 | this->cmd(0x81); |
M_souta | 0:cb29cf2767cd | 90 | this->cmd(val); |
M_souta | 0:cb29cf2767cd | 91 | this->clearSD(); |
M_souta | 0:cb29cf2767cd | 92 | this->clearRE(); |
M_souta | 0:cb29cf2767cd | 93 | wait_ms(100); |
M_souta | 0:cb29cf2767cd | 94 | return; |
M_souta | 0:cb29cf2767cd | 95 | } |
M_souta | 0:cb29cf2767cd | 96 | |
M_souta | 0:cb29cf2767cd | 97 | void SO1602A::setDispFlag(bool disp, bool cursor, bool blink) |
M_souta | 0:cb29cf2767cd | 98 | { |
M_souta | 0:cb29cf2767cd | 99 | // set On/Off. b3=1, b2:Disp, b1:Cursor, b0:blink. |
M_souta | 0:cb29cf2767cd | 100 | char tmp= 0x08; |
M_souta | 0:cb29cf2767cd | 101 | if(disp) |
M_souta | 0:cb29cf2767cd | 102 | tmp += 0x04; |
M_souta | 0:cb29cf2767cd | 103 | if(cursor) |
M_souta | 0:cb29cf2767cd | 104 | tmp += 0x02; |
M_souta | 0:cb29cf2767cd | 105 | if(blink) |
M_souta | 0:cb29cf2767cd | 106 | tmp += 0x01; |
M_souta | 0:cb29cf2767cd | 107 | this->cmd(tmp); |
M_souta | 0:cb29cf2767cd | 108 | this->cmd(0x01); //Clear Disp. |
M_souta | 0:cb29cf2767cd | 109 | wait_ms(20); |
M_souta | 0:cb29cf2767cd | 110 | return; |
M_souta | 0:cb29cf2767cd | 111 | } |
M_souta | 0:cb29cf2767cd | 112 | |
M_souta | 0:cb29cf2767cd | 113 | void SO1602A::clear() |
M_souta | 0:cb29cf2767cd | 114 | { |
M_souta | 0:cb29cf2767cd | 115 | this->cmd(0x01); |
M_souta | 0:cb29cf2767cd | 116 | locate(0, 0); |
M_souta | 0:cb29cf2767cd | 117 | wait_ms(5); |
M_souta | 0:cb29cf2767cd | 118 | return; |
M_souta | 0:cb29cf2767cd | 119 | } |
M_souta | 0:cb29cf2767cd | 120 | |
M_souta | 0:cb29cf2767cd | 121 | // ******************** FUNCTION SET ********************** |
M_souta | 0:cb29cf2767cd | 122 | // RE & IS func-set -> b7-4: 001*. |
M_souta | 0:cb29cf2767cd | 123 | // b3: dispLine; 1(2&4), 0(1&3). |
M_souta | 0:cb29cf2767cd | 124 | // RE: b1, IS: b0. |
M_souta | 0:cb29cf2767cd | 125 | void SO1602A::setRE() |
M_souta | 0:cb29cf2767cd | 126 | { |
M_souta | 0:cb29cf2767cd | 127 | this->cmd(0x2a); |
M_souta | 0:cb29cf2767cd | 128 | return; |
M_souta | 0:cb29cf2767cd | 129 | } |
M_souta | 0:cb29cf2767cd | 130 | void SO1602A::clearRE() |
M_souta | 0:cb29cf2767cd | 131 | { |
M_souta | 0:cb29cf2767cd | 132 | this->cmd(0x28); |
M_souta | 0:cb29cf2767cd | 133 | return; |
M_souta | 0:cb29cf2767cd | 134 | } |
M_souta | 0:cb29cf2767cd | 135 | // Extention Register; SD. |
M_souta | 0:cb29cf2767cd | 136 | // RE setted, 0b 0111 100F. F= Flag; 0: OLED-cmd is disable. |
M_souta | 0:cb29cf2767cd | 137 | // 1: enable. |
M_souta | 0:cb29cf2767cd | 138 | void SO1602A::setSD() |
M_souta | 0:cb29cf2767cd | 139 | { |
M_souta | 0:cb29cf2767cd | 140 | this->cmd(0x79); |
M_souta | 0:cb29cf2767cd | 141 | return; |
M_souta | 0:cb29cf2767cd | 142 | } |
M_souta | 0:cb29cf2767cd | 143 | void SO1602A::clearSD() |
M_souta | 0:cb29cf2767cd | 144 | { |
M_souta | 0:cb29cf2767cd | 145 | this->cmd(0x78); |
M_souta | 0:cb29cf2767cd | 146 | return; |
M_souta | 0:cb29cf2767cd | 147 | } |
M_souta | 0:cb29cf2767cd | 148 | |
M_souta | 0:cb29cf2767cd | 149 | // EOF |